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18 feb 1959 anni - Down Syndrome Cause Found

Descrizione:

In 1959 It was discovered that down syndrome is caused by a random genetic mutation that add an extra chromosome in each cell.

Aggiunto al nastro di tempo:

Down Syndrome Timeline

ByDrew Zins
31 gen 2018

Data:

18 feb 1959 anni
Adesso
~ 65 years ago
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